Description
TRA5207R Traxxas TRX 2.5R Racing Engine w/Recoil
Note: Graves RC Coupons are not applicable with this product
Features:
- Slide carburetor provides less restrictive, straight through airflow for more power and better throttle response.
- PowerTune head is machined from aluminum which promotes even heat distrubution for stable engine temperatures and rock-solid tuning
- New sleeve for improved engine efficiency and better power.
- Molded head protector prevents damage to the head and secures the glow plug wire.
- Ultra-low restriction air filter provides superior air flow and filtration for more power and a long engine life.
- Offset wrist pin further reduces piston slide loading for more even cylinder wear and longer engine life.
Includes:
One 2.5 (0.15cu in) Engine with Pull Starter w/flywheel nut
One 90 degree air filter (includes base for upright mounting)
One 22 chapter Engine Set-up DVD
One Owners manual/instruction booklet
One bottle of air filter oil
One Decal sheet
One pre-installed glow plug
Requires:
Muffler (exhaust system) depending on vehicle
Starting equipment
Traxxas 10-20% “Top Fuel” nitro fuel.
Technical Specifications:
Displacement: 0.15 cu in (2.49cc)
Crankshaft Thread: 5mm (.197″)
On-Center Mounting Holes, Front to Rear: 11mm (.433″)
On-Center Mounting Holes, Side to Side: 31.4mm (1.24″)
Back of engine(recoil)to front of drive washer: 73.2mm (2.88″)
Height: 97.3mm (3.83″)
Exhaust Port Diameter: inner – 9.9mm (.392″) — outer – 13.0mm (.512″)
Manuals:
TRA5207R-Manual
TRA5207R-Exploded View








